Specifications

T203 is Zinc Dioctyl Primary Alkyl Dithiophosphate. This product features excellent oxidation resistance, corrosion resistance, and anti-wear and extreme pressure properties, particularly high thermal stability, and favorable oil solubility, additive compatibility, and resistance to emulsification. It can be compounded with the T105/T106 detergents and the T154/T155 dispersants to be applied in high-grade diesel engine oils, or compounded with other additives to apply in anti-wear hydraulic oils. The percentage in usage is 0.5%-3.0% when adding this product into oil.

l Technical specifications

Table 1 T203 product quality indicators and test methods

Item

Quality indicator

Test method

Class-A quality

Acceptable quality

Appearance

Light yellow to amber transparent liquid

Visual test

Color number, #, no more than

2.0

2.5

GB/T 6540 or ASTM D -1500

Density (20°C) kg/m3

1060-1150

GB/T2540 or ASTM D-4052

Kinematic viscosity (100°C), mm2/s

Report

GB/T265 or ASTM D-445

Flash point (open), °C, no less than

180

GB/T3536 or ASTM D-92

Sulphur content, % (m/m)

14.0-18.0

12.0-18.0

ASTM D-4951

Phosphorus content, % (m/m)

7.5-8.8

6.5-8.8

Zinc content, % (m/m)

9.0-10.5

8.0-10.5

PH value, no less than

5.8

5.3

SH/T 0394-1996, annex A

Moisture, % (m/m), no more than

0.03

0.09

GB/T260 or ASTM D-95

Mechanical admixture, % (m/m), no more than

0.07

GB/T 511 or AM-S90-009

l Package, storage and shipment

The product is packed with iron barrels, with a net weight of 200Kg/barrel, suitable for all means of transport.

For short-term storage and transportation, the temperature of the product shall not surpass 75°C; and for long-term storage it shall not surpass 45°C. The product is offered with a guarantee period of two years.

This product is non-flammable, non-explosive, and non-corrosive, thus needs no special protection.